js code to display the current system time_time and date

var myDate = new Date();
myDate .getYear(); //Get the current year (2 digits)
myDate.getFullYear(); //Get the complete year (4 digits, 1970-????)
myDate.getMonth(); / / Get the current month (0-11, 0 represents January)
myDate.getDate(); // Get the current day (1-31)
myDate.getDay(); // Get the current week X (0 -6,0 represents Sunday)
myDate.getTime(); // Get the current time (the number of milliseconds since 1970.1.1)
myDate.getHours(); // Get the current hours (0-23 )
myDate.getMinutes(); //Get the current minutes (0-59)
myDate.getSeconds(); //Get the current seconds (0-59)
myDate.getMilliseconds(); //Get the current milliseconds (0-999)
myDate.toLocaleDateString(); //Get the current date
var mytime=myDate.toLocaleTimeString(); //Get the current time
myDate.toLocaleString() ; //Get date and time